BJP3 Exercise 2.2: loopSquares

For added challenge, try to modify your code so that it does not need to use the * multiplication operator. (It can be done! Hint: Look at the differences between adjacent numbers.)

Bare code:
For this problem, you are supposed to just submit a fragment of Java code as described.
You should not write any class or method heading around your code;
just write the lines of code that will produce the result described.